package cn.zhou;

public class test4 {
    public static void main(String[] args) {
        byte a = 10, b = 20;
        int c = a + b;
        char d = 'a';
        float e = 5.2F;
        double f = 10;
        double g = (double) (d + f + a + e);
        System.out.println(e);
        System.out.println(c);
        System.out.println(g);
    }
}
